Java tutorial
import java.util.ArrayList; import java.util.Collections; import java.util.List; public class Main { public static void main(String[] args) { List<String> list = new ArrayList<String>(); // populate the list list.add("1"); list.add("2"); list.add("3"); list.add("4"); list.add("from java2s.com"); // create a synchronized list List<String> synlist = Collections.synchronizedList(list); System.out.println("Sunchronized list is :" + synlist); } }